michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GFX_UNISCRIBESHAPER_H
michael@0: #define GFX_UNISCRIBESHAPER_H
michael@0: 
michael@0: #include "gfxTypes.h"
michael@0: #include "gfxGDIFont.h"
michael@0: 
michael@0: #include <usp10.h>
michael@0: #include <cairo-win32.h>
michael@0: 
michael@0: 
michael@0: class gfxUniscribeShaper : public gfxFontShaper
michael@0: {
michael@0: public:
michael@0:     gfxUniscribeShaper(gfxGDIFont *aFont)
michael@0:         : gfxFontShaper(aFont)
michael@0:         , mScriptCache(nullptr)
michael@0:     {
michael@0:         MOZ_COUNT_CTOR(gfxUniscribeShaper);
michael@0:     }
michael@0: 
michael@0:     virtual ~gfxUniscribeShaper()
michael@0:     {
michael@0:         MOZ_COUNT_DTOR(gfxUniscribeShaper);
michael@0:     }
michael@0: 
michael@0:     virtual bool ShapeText(gfxContext      *aContext,
michael@0:                            const char16_t *aText,
michael@0:                            uint32_t         aOffset,
michael@0:                            uint32_t         aLength,
michael@0:                            int32_t          aScript,
michael@0:                            gfxShapedText   *aShapedText);
michael@0: 
michael@0:     SCRIPT_CACHE *ScriptCache() { return &mScriptCache; }
michael@0: 
michael@0:     gfxGDIFont *GetFont() { return static_cast<gfxGDIFont*>(mFont); }
michael@0: 
michael@0: private:
michael@0:     SCRIPT_CACHE mScriptCache;
michael@0: 
michael@0:     enum {
michael@0:         kUnicodeVS17 = gfxFontUtils::kUnicodeVS17,
michael@0:         kUnicodeVS256 = gfxFontUtils::kUnicodeVS256
michael@0:     };
michael@0: };
michael@0: 
michael@0: #endif /* GFX_UNISCRIBESHAPER_H */